Summary statistics for d_4_hos_c8_42 variable in hosp_rollup2552_96_2004 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d_4_hos~8_42 | 38 1.51e+07 1.37e+07 15388 5.52e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018